SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting
2018-09-13 17:29:28 Connection: opening to smtp.gmail.com:587, timeout=300, options=array ( 'ssl' => array ( 'verify_peer' => false, 'verify_peer_name' => false, 'allow_self_signed' => true, ),)

2018-09-13 17:29:28 Connection: opened

2018-09-13 17:29:29 SMTP INBOUND: "220 smtp.gmail.com ESMTP 124-v6sm8029981wmk.20 - gsmtp"

2018-09-13 17:29:29 SERVER -> CLIENT: 220 smtp.gmail.com ESMTP 124-v6sm8029981wmk.20 - gsmtp

2018-09-13 17:29:29 CLIENT -> SERVER: EHLO 192.168.1.100

2018-09-13 17:29:29 SMTP INBOUND: "250-smtp.gmail.com at your service, [196.201.81.144]"

2018-09-13 17:29:29 SMTP INBOUND: "250-SIZE 35882577"

2018-09-13 17:29:29 SMTP INBOUND: "250-8BITMIME"

2018-09-13 17:29:29 SMTP INBOUND: "250-STARTTLS"

2018-09-13 17:29:29 SMTP INBOUND: "250-ENHANCEDSTATUSCODES"

2018-09-13 17:29:29 SMTP INBOUND: "250-PIPELINING"

2018-09-13 17:29:29 SMTP INBOUND: "250 SMTPUTF8"

2018-09-13 17:29:29 SERVER -> CLIENT: 250-smtp.gmail.com at your service, [196.201.81.144]250-SIZE 35882577250-8BITMIME250-STARTTLS250-ENHANCEDSTATUSCODES250-PIPELINING250 SMTPUTF8

2018-09-13 17:29:29 CLIENT -> SERVER: STARTTLS

2018-09-13 17:29:29 SMTP INBOUND: "220 2.0.0 Ready to start TLS"

2018-09-13 17:29:29 SERVER -> CLIENT: 220 2.0.0 Ready to start TLS

2018-09-13 17:29:30 CLIENT -> SERVER: EHLO 192.168.1.100

2018-09-13 17:29:30 SMTP INBOUND: "250-smtp.gmail.com at your service, [196.201.81.144]"

2018-09-13 17:29:30 SMTP INBOUND: "250-SIZE 35882577"

2018-09-13 17:29:30 SMTP INBOUND: "250-8BITMIME"

2018-09-13 17:29:30 SMTP INBOUND: "250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH"

2018-09-13 17:29:30 SMTP INBOUND: "250-ENHANCEDSTATUSCODES"

2018-09-13 17:29:30 SMTP INBOUND: "250-PIPELINING"

2018-09-13 17:29:30 SMTP INBOUND: "250 SMTPUTF8"

2018-09-13 17:29:30 SERVER -> CLIENT: 250-smtp.gmail.com at your service, [196.201.81.144]250-SIZE 35882577250-8BITMIME250-AUTH LOGIN PLAIN XOAUTH2 PLAIN-CLIENTTOKEN OAUTHBEARER XOAUTH250-ENHANCEDSTATUSCODES250-PIPELINING250 SMTPUTF8

2018-09-13 17:29:30 Auth method requested: UNKNOWN

2018-09-13 17:29:30 Auth methods available on the server: LOGIN,PLAIN,XOAUTH2,PLAIN-CLIENTTOKEN,OAUTHBEARER,XOAUTH

2018-09-13 17:29:30 Requested auth method not available:

2018-09-13 17:29:30 Auth method selected: LOGIN

2018-09-13 17:29:30 CLIENT -> SERVER: AUTH LOGIN

2018-09-13 17:29:30 SMTP INBOUND: "334 VXNlcm5hbWU6"

2018-09-13 17:29:30 SERVER -> CLIENT: 334 VXNlcm5hbWU6

2018-09-13 17:29:30 CLIENT -> SERVER: bXNhbm9nbzI0QGdtYWlsLmNvbQ==

2018-09-13 17:29:30 SMTP INBOUND: "334 UGFzc3dvcmQ6"

2018-09-13 17:29:30 SERVER -> CLIENT: 334 UGFzc3dvcmQ6

2018-09-13 17:29:30 CLIENT -> SERVER: VGVzdDEyMyo=

2018-09-13 17:29:30 SMTP INBOUND: "534-5.7.14 Please log in via"

2018-09-13 17:29:30 SMTP INBOUND: "534-5.7.14 your web browser and then try again."

2018-09-13 17:29:30 SMTP INBOUND: "534-5.7.14 Learn more at"

2018-09-13 17:29:30 SMTP INBOUND: "534 5.7.14 https://support.google.com/mail/answer/78754 124-v6sm8029981wmk.20 - gsmtp"

2018-09-13 17:29:30 SERVER -> CLIENT: 534-5.7.14 Please log in via534-5.7.14 your web browser and then try again.534-5.7.14 Learn more at534 5.7.14 https://support.google.com/mail/answer/78754 124-v6sm8029981wmk.20 - gsmtp

2018-09-13 17:29:30 SMTP ERROR: Password command failed: 534-5.7.14 Please log in via534-5.7.14 your web browser and then try again.534-5.7.14 Learn more at534 5.7.14 https://support.google.com/mail/answer/78754 124-v6sm8029981wmk.20 - gsmtp

SMTP Error: Could not authenticate.

2018-09-13 17:29:30 CLIENT -> SERVER: QUIT

2018-09-13 17:29:30 SMTP INBOUND: "221 2.0.0 closing connection 124-v6sm8029981wmk.20 - gsmtp"

2018-09-13 17:29:30 SERVER -> CLIENT: 221 2.0.0 closing connection 124-v6sm8029981wmk.20 - gsmtp

2018-09-13 17:29:30 Connection: closed

SMTP connect() failed. https://github.com/PHPMailer/PHPMailer/wiki/Troubleshooting